//
//  MyExtensions.h
//  TestARC
//
//  Created by wuxiaoquan on 12-9-28.
//
//

#import <Foundation/Foundation.h>

@interface NSString (MyExtensions)
- (NSString *) md5;
- (BOOL)isEmpty;
@end

@interface NSData (MyExtensions)
- (NSString*)md5;
@end
